Picker stick motion transmitting device



Jul 3, 1934. 3 JAMES 1,965,343

PICKER STICK MOTION TRANSMITTING DEVICE Filed Oct. 5, 1933 2Sheets-Sheet l Z Invenlor fa/zrzfiJames,

flllorney July 3, 1934. .1. B. JAMES PICKER STICK MOTION TRANSMITTINGDEVICE Filed Oct. 5, 1935 2 Sheets-Sheet 2 1 m m 5 m a, J

UNITED STATES PATENT OFFICE PICKER STICK MOTION TRANSMITTING DEVICE JohnBoyce James, Union, S.

Application October 3, 1933, Serial No. 692,003

1 Claim. (01. '139151) This invention relates to a novel connecting andprovided with a correspondingly shaped and operating device such as islocated between semi-spherical portion 15. The two semi-sphera rockablymounted picker stick and a source of ical portions 12 and 15, whenclamped together, power on a conventional type of loom. form a socketfor reception of the ball head 16 Admittedly, I am aware of the factthat many formed on one end of the push-pull link or rod differentstyles and types of devices have been 17. As shown in Figure 3, theright hand end evolved, used and patented to accomplish this of this rodis screw threaded, as indicated at 18, same purpose. It follows,therefore, that the and attached by lock nuts 19 and 20 to anadjustpresent invention relates specifically to an aping coupling 21which is adjustably bolted, as 10 preciably different and distinctivestructural asindicated at 22, between the arms of a U-shaped 65.

sembly characterized by simplicity and efiiciency connecting saddle oryoke 23. This yoke emand calculated to provide a means which accombracesthe intermediate portion of the picker plishes the desired ends andpurposes more satisstick B, as indicated in the drawings. Thisprofactorjly, vides a detachable, adjustable connection be- 5 Theparticular selection and co-ordination of tween the threaded end of therod 1'7 and the parts utilized in accomplishing the aforesaid almattaching yoke 23.

will become more readily apparent from the fol- This arrangement isbelieved to be substanlowing description and drawings. tiallyself-accommodating and particularly fitted In the drawings:- to servethe purpose of rocking picker sticks back Figure 1 is an elevationalView of a fragand forth through the reciprocatory universal l5 mentaryportion of a loom, showing the picker movement of the tie link orpush-pull rod 17. stick, the picker stick power supply mechanism Thepush-pull rod having ball and joint conand the improved operating devicebetween the nection to the lever extension unit 5 permits picker stickand said mechanism. the power transmission to be automatically regu-Figures 2 and 3 are sectional views on vertical lated to fit varyingcircumstances. The device 80. and horizontal planes, taken on the lines2-2 provides a positive and dependable drive between and 3-3respectively of Figure 1. the lever G and the picker stick B, whose fea-Figure 4 is a fragmentary View showing the tures of accommodation andadaptation apparball joint connection between the lever extenentlytranscend those of similar motion trans- .sion attachment and thepush-pull rod or link. mitting arrangements. A structure of this par-Referring to Figure 1, I call attention to certicular form appears to bescientifically correct, tain of the old parts of the machine wherein theproperly balanced and capable of affording the machine proper is denotedand differentiated by requisite self-accommodating and equilibrium theletter A. The picker stick is indicated at B, characteristics necessaryto promote progress in having the usual rocker foot 0 and adaptor thisparticular line of endeavor. Being especially bracket or fixture D. Theshaft which supplies adapted to fulfill the purposes for which it ismotion to the picker stick is distinguished by the intended and quitesimple and economical, it is reference character E and this is providedwith thought that a more technical or theoretical exthe customary cam Ffor operating the pivoted planation is unnecessary. swingable dependinglever G. All of these are It is thought that the description, taken in 1part5 connection with the drawings, will enable a clear Th improvementComprises Several p ts and understanding of the invention to be had.Thereone of these is designated as an extension unit fore, a morelengthy description is thought un- 5. It comprises a, slotted plate 6having the elonnecessary.

gated slot 7 arrange t permit it be Se u While the preferred embodimentof the invenby a bolt or the like 8 to the lower end of the tion hasbeen shown and described, it is to be swingable lever G. Th plate isprovided ith understood that minor changes coming within side retain g ad Stabilizing flanges Folmed the field of invention claimed may beresorted integral with this plate is a pendant portion t if d ir whichmay be described as a metal strap 10, the I 1 same being twisted andconnected to the plate, as A device of the class described comprising aindicated at 11. The lower end portion Of th substantially U-shapedstrap-like yoke adapted Strap is shaped a indicated at 12 to provideoneto embrace a picker stick, a frame-like coupling half of a ball jointsocket. A companion socket member mounted between the free end portions55 .plate 13 is bolted at this point, as indicated at 14, of the arms ofsaid yoke, bolt and nut m a 1110 being formed with a depending portion,said portion being provided With a ball joint socket, the adjacent endof said rod having a ball joint connector mounted for universal movementin said socket.

JOHN BOYCE JAMES.

